Spec. No. : C302S3-H Issued Date : 2004.04.13 Revised Date : Page No. : 1/4 CYStech Electronics Corp. Small Signal Schottky (double) diodes BAT54S3/BAT54AS3 BAT54CS3/BAT54SS3 Description Planar silicon Schottky barrier diodes encapsulated in a SOT-323 very small plastic SMD package. Single diodes and double diodes with different pinning are available. Features •Guard ring protected •Low forward voltage drop •Very small plastic SMD package Applications •Ultra high-speed switching •Voltage clamping •Protection circuits •Blocking diodes Pinning Outline Pin 1 2 3 BAT54 A NC K Description BAT54A BAT54C K1 A1 K2 A2 A1,A2 K1,K2 3 3 3 1 SOT-323 BAT54S A1 K2 K1,A1 1 2 1 2 2 N.C. (1) BAT54 (2)BAT54A 2 1 Marking: 3 3 (3)BAT54C 1 2 (4)BAT54S Diode configuration and symbol BAT54S3/BAT54AS3/BAT54CS3/BAT54SS3 Type BAT54 S3 BAT54AS3 BAT54CS3 BAT54SS3 Marking Code L4 42 43 44 CYStek Product Specification CYStech Electronics Corp. Spec. No. : C302S3-H Issued Date : 2004.04.13 Revised Date : Page No. : 2/4 Absolute Maximum Ratings Symbol Per diode VR IF IFRM IFSM Ptot Tstg Tj Tamb Parameter Conditions continuous reverse voltage continuous forward current repetitive peak forward current non-repetitive peak forward current total power dissipation (per package) storage temperature junction temperature operating ambient temperature tp≤1s, δ≤0.5 tp<10ms Tamb≤25℃ Min Max Unit -65 -65 30 200 300 600 200 +150 125 +125 V mA mA mA mW ℃ ℃ ℃ Characteristics (Ta=25°C, unless otherwise specified) Parameter Reverse Breakdown Voltage Forward Voltage (Note 1) Symbol Condition Min. Max. Unit VBR IR=100µA 30 - V VF(1) IF=0.1mA - 240 mV VF(2) IF=1mA - 320 mV VF(3) IF=10mA - 400 mV VF(4) IF=30mA - 500 mV VF(5) IF=100mA - 800 mV Reverse Leakage Current (Note 2) IR VR=25V - 2 µA Diode Capacitance CD - 10 pF Reverse Recovery Time trr VR=1V, f=1MHz when switched from IF= 10mA to IR=10mA; RL=100Ω; measured at IR=1mA - 5 ns Notes: 1.pulse test, tp=380µs, duty cycle<2%. 2.pulse test, tp=300µs, duty cycle<2%. Thermal Characteristics Symbol Parameter Rth j-a thermal resistance from junction to ambient Conditions Value Unit note 1 625 K/W Note 1 : Refer to SOT-323 standard mounting conditions. BAT54S3/BAT54AS3/BAT54CS3/BAT54SS3 CYStek Product Specification CYStech Electronics Corp. Spec. No. : C302S3-H Issued Date : 2004.04.13 Revised Date : Page No. : 3/4 Characteristic Curves Forward Current & Forward Voltage Diode Capacitance & Reverse-Biased Voltage 100 250 Diode Capacitance-Cd (pF) Forward Current-I F (mA) 200 150 100 10 50 0 1 0 200 400 600 Forward Voltage-VF (mV) BAT54S3/BAT54AS3/BAT54CS3/BAT54SS3 800 1000 0.1 1 10 100 Reverse Biased Voltage-VR (V) CYStek Product Specification Spec. No. : C302S3-H Issued Date : 2004.04.13 Revised Date : Page No. : 4/4 CYStech Electronics Corp. SOT-323 Dimension Marking: 3 A Q A1 1 L4_ XX C Lp 2 detail Z bp e1 W B Diagram: e E D A Z θ He 0 v A 2 mm 1 scale 3-Lead SOT-323 Plastic Surface Mounted Package. CYStek Package Code: S3 • BAT54 S3 : Single Diode (Marking Code L4) • BAT54AS3 : Common Anode. (Marking Code 42) • BAT54CS3 : Common Cathode. (Marking Code 43) • BAT54SS3 : Series Connected. (Marking Code 44) *: Typical Inches Min. Max. 0.0315 0.0433 0.0000 0.0039 0.0118 0.0157 0.0039 0.0098 0.0709 0.0866 0.0453 0.0531 0.0512 - DIM A A1 bp C D E e Millimeters Min. Max. 0.80 1.10 0.00 0.10 0.30 0.40 0.10 0.25 1.80 2.20 1.15 1.35 1.3 - DIM e1 He Lp Q v w θ Inches Min. Max. 0.0256 0.0787 0.0886 0.0059 0.0177 0.0051 0.0091 0.0079 0.0079 - Millimeters Min. Max. 0.65 2.00 2.25 0.15 0.45 0.13 0.23 0.2 0.2 10° 0° Notes: 1.Controlling dimension: millimeters. 2.Maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material. 3.If there is any question with packing specification or packing method, please contact your local CYStek sales office. Material: • Lead: 42 Alloy; solder plating • Mold Compound: Epoxy resin family, flammability solid burning class: UL94V-0 Important Notice: • All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of CYStek. • CYStek reserves the right to make changes to its products without notice. • CYStek semiconductor products are not warranted to be suitable for use in Life-Support Applications, or systems. • CYStek assumes no liability for any consequence of customer product design, infringement of patents, or application assistance. BAT54S3/BAT54AS3/BAT54CS3/BAT54SS3 CYStek Product Specification